VSC880 Datasheet, PDF (1/28 Pages) Vitesse Semiconductor Corporation – High Performance 16x16 Serial Crosspoint Switch

Data Sheet
VSC880
VITESSE
SEMICONDUCTOR CORPORATION
High Performance 16x16
Serial Crosspoint Switch
Features
• 16x16 Synchronous Serial Crosspoint Switch
• Serial Data Rates: 2.0Gb/s
• 32Gb/s Aggregate Data Bandwidth
• Parallel Switches Can Increase Data Bandwidth in
Multiples of 32Gb/s
• Designed in Conjunction with the VSC870
Backplane Transceiver
• Automatic Word and Cell Synchronization to the
Transceiver
• Two Modes of Operation: Distributed Control
Self-routing Packet Mode and Central Control
Cell Mode
• Multicast Supported in All Modes
• Supports Variable Length Packets in Packet
Mode
• Built-in Flow Control Channel in Packet Mode
• Supports Cell Synchronization in Cell Mode
• Parallel CPU Interface and Parallel Switch
Configuration Interface
• Loopback, Built-in Self Test and Scan Functions
• 5V Tolerant TTL Inputs
• Dual 3.3V/2.5V or Dual 3.3V/2.0V Power
Supplies
• Serial Port Quadrants Can be Powered Down
• Available in 304 BGA Package
VSC880 Block Diagram
TXS+/TXS-
Serial Port (16x)
Parallel
to
Serial
RXS+/RXS-
WCLK
REFCLK
TCLKEN
LOCKDET
CCLK
RESET
BSTLPBK
BSTEN
BSTRST
BSTPASS
DRU
Serial
to
Parallel
CMU
Clock
Gen
BIST Logic
Port
Logic
Switch Matrix
Arbitration Logic
and Switch Control
Registers
VSCTE
VSCIPNC
VSCOPNC
MEN
FACLPBK
CMODE
TESTEN
SCANIN
SCANOUT
CEN
DATA[15:0]
FI[3:0]
WEN
Status and
Control Registers
ADDR[5:0]
CDATA[7:0]
CWEN
CSEL
INT
RESYNEN
G52191-0, Rev 4.2
01/05/01
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: [phone] • Email: [e-mail]
Internet: www.vitesse.com
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